Ranging p. pr. & vb. n. : of Range

Example:
How can you determine on a non-auto Ranging meter when you can drop down to the next lower scale?

Taxonomy
measurement, free encyclopedia, transmission, passive, Globe, cooperative systems, radiation measurements, search, arrows, bows, the distance, lateration, Further development, equipped, apparatus, ranging systems, reflections, SOund Navigation And Ranging.

Defination from the web:
Ranging is a process or method to determine the distance from one location or position to another location or position. ... With other systems ranging is obtained from passive radiation measurements only, hence the noise or radiation signature of the object is ...